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How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more

Florence Bascom (1862-1945) was one of the first female geologists in the United States and her colleagues regarded her as one of the nation’s most important geologists. In 1896 she was the first woman...more

Niels Bohr was a Danish physicist who lived between 1885-1962. He investigated atomic structure, modifying Rutherford's old model of an atom by confining electrons to orbits of specific radii. Bohr also...more

Marie Curie was a physicist and chemist who lived between 1867-1934. She contributed greatly to our understanding of radioactivity and the effects of x-rays. She was born Maria Skłodowska in Warsaw,...more

Sir Arthur Eddington was an English physicist, and author of a 1926 book called The Internal Constitution of the Stars. He wrote: "At first sight it would seem that the deep interior of the sun and stars...more

Albert Einstein was a German physicist who lived between 1879-1955. His special and general theories of relativity, theory of Brownian motion, work in quantum physics, statistical mechanics, and on the...more

Vagn Walfrid Ekman was a Swedish oceanographer who is best known for studying how the Coriolis force affects ocean currents. Originally, he was interested in trying to understand why icebergs do not drift...more

Robert Goddard was an American physicist who lived between 1882-1945. He was a pioneer of modern rocketry who discovered that liquid fuel is more efficient than solid fuel. Although Goddard's first rocket...more